Consolidated Statement of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	[1]	Total
Balance at Dec. 31, 2013	$ 287	$ 87,872	$ 93,582	$ 379		$ 182,120
Balance (in Shares) at Dec. 31, 2013	28,751
Stock-based compensation		3,220				3,220
Stock-based compensation (in Shares)	7
Stock issued on vesting of RSUs	$ 2					2
Stock issued on vesting of RSUs (in Shares)	310
Taxes paid on vesting of RSUs		(1,067)				(1,067)
Taxes paid on vesting of RSUs (in Shares)	(106)
Dividends			(4,798)			(4,798)
Net income			10,219			10,219	[2]
Other		193		(14)		179
Balance at Dec. 31, 2014	$ 289	90,218	99,003	365		189,875
Balance (in Shares) at Dec. 31, 2014	28,962
Stock-based compensation		3,134				3,134
Stock-based compensation (in Shares)	14
Stock issued on vesting of RSUs	$ 3					3
Stock issued on vesting of RSUs (in Shares)	411
Taxes paid on vesting of RSUs		(1,029)				(1,029)
Taxes paid on vesting of RSUs (in Shares)	(136)
Dividends			(4,794)			(4,794)
Net income			20,132			20,132	[2]
Other		(48)		(453)		(501)
Balance at Dec. 31, 2015	$ 292	92,275	114,341	(88)		206,820
Balance (in Shares) at Dec. 31, 2015	29,251
Stock-based compensation		2,539				2,539
Stock issued on vesting of RSUs	$ 2					2
Stock issued on vesting of RSUs (in Shares)	272
Taxes paid on vesting of RSUs		(1,098)				(1,098)
Taxes paid on vesting of RSUs (in Shares)	(126)
Dividends			(4,799)			(4,799)
Net income			12,510			12,510	[2]
Other		100		816		916
Other (in Shares)	16
Balance at Dec. 31, 2016	$ 294	$ 93,816	$ 122,052	$ 728		$ 216,890
Balance (in Shares) at Dec. 31, 2016	29,413

[1] Accumulated Other Comprehensive Income (loss)

[2] *There is no material difference between net income and comprehensive income.